ACSS2 and diabetes mellitus: (αCSα/–SEA) was the main genotype of Alpha thalassemia identified in the patients (37.5%), and patients with the (-α4.2/–SEA) genotype had a higher prevalence of hypogonadism, diabetes mellitus and hypoparathyroidism (P = 0.001, P = 0.001, P < 0.001, respectively).